Sélecteur multiple pour lecteur de micro-film,申请号FRD993591-传众专利搜索

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发明名称	Sélecteur multiple pour lecteur de micro-film
摘要
申请公布号	FR993591(A)	申请公布日期	1951.11.02
申请号	FRD993591	申请日期	1949.08.19
申请人		发明人	FILLEUL ANDRE-ALBERT
分类号	G03B21/11	主分类号	G03B21/11
代理机构		代理人
主权项
地址

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